diff options
Diffstat (limited to 'sound/usb/usx2y/usX2Yhwdep.c')
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 2d4e943be2da..0ed50be89271 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -55,17 +55,17 @@ static int snd_us428ctls_mmap(struct snd_hwdep *hw, struct file *filp, struct vm return -EBUSY; /* if userspace tries to mmap beyond end of our buffer, fail */ - if (size > PAGE_ALIGN(sizeof(struct us428ctls_sharedmem))) { - snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(struct us428ctls_sharedmem)); + if (size > US428_SHAREDMEM_PAGES) { + snd_printd("%lu > %lu\n", size, (unsigned long)US428_SHAREDMEM_PAGES); return -EINVAL; } if (!us428->us428ctls_sharedmem) { init_waitqueue_head(&us428->us428ctls_wait_queue_head); - us428->us428ctls_sharedmem = alloc_pages_exact(sizeof(struct us428ctls_sharedmem), GFP_KERNEL); + us428->us428ctls_sharedmem = alloc_pages_exact(US428_SHAREDMEM_PAGES, GFP_KERNEL); if (!us428->us428ctls_sharedmem) return -ENOMEM; - memset(us428->us428ctls_sharedmem, -1, sizeof(struct us428ctls_sharedmem)); + memset(us428->us428ctls_sharedmem, -1, US428_SHAREDMEM_PAGES); us428->us428ctls_sharedmem->ctl_snapshot_last = -2; } area->vm_ops = &us428ctls_vm_ops; |